Because of your comment:

I believe it had Avast installed since the [b]Avil directory[/b] showed up when I did an image of it before wiping Vista off and resinstalling it from scratch. I was told the machine was BSODing on them and now would not boot at all.

I made the assumption that you meant Alwil and not Avil, which is neither avast or Alwil, just closer to Alwil.